Senior ISSE: TS/SCI Security & Cloud RMF Expert

D2 Technical Services; Arnold (MO); On-site; USD 120,000 - 130,000; Full time

Benefits offered by this job

Health/Dental/Vision

401(k) match

Accrued PTO

STD/LTD/Life Insurance

Referral Bonuses

Professional development reimbursement

Job summary

D2 Technical Services is seeking an Information Systems Security Engineer (ISSE) in Arnold, MO to support our Intelligence Community customer. This senior role focuses on policy, architecture, incident response, and compliance to safeguard critical systems.

You will drive C&A/RMF, design secure architectures, and lead activities across threat detection, remediation, and stakeholder engagement. A TS/SCI clearance and IAM II are required.

Qualifications

• 10+ years of experience in information security, data security administration, or a related discipline.
• Active TS/SCI clearance is required for this role.
• IAM Level II certification (DoD 8570.01-M) required to start.
• Knowledge of ICD 503 and RMF processes is essential.
• Experience with security tools: ACAS, HBSS, Carbon Black, Tanium, RedSeal, and/or EMET.
• Experience with Cloud Infrastructure / AWS-based solutions.
• Scripting on UNIX and/or RHEL operating systems; PowerShell proficiency on Windows.
• Experience with Microsoft Active Directory and VMware virtualization.
• Bachelor's degree in Computer Science, a related field, or equivalent experience.

Responsibilities

• Draft and review information security policies, MOAs, and SSPs.
• Lead Certification & Accreditation (C&A) and RMF processes.
• Review POA&Ms and drive remediation and lien resolution.
• Ensure IA hardware, software, and configurations meet security guides.
• Advise on system design from a security-first perspective.
• Define and evaluate information security systems and multi-agency integration security.
• Configure and maintain network security infrastructure (firewalls, gateways, IDS).
• Conduct forensic traffic and log analysis; respond to alerts and incidents.
• Lead security awareness training and present findings to leadership.

Skills

10+ years exp

TS/SCI clearance

IAM Level II

RMF processes

ACAS

HBSS

Carbon Black

Tanium

RedSeal

EMET

AWS

PowerShell

Windows AD

VMware

Education

Bachelor's degree in Computer Science

Tools

ACAS

HBSS

Carbon Black

Tanium

RedSeal

EMET

Windows PowerShell

Job description

D2 Technical Services is seeking an Information Systems Security Engineer (ISSE) in Arnold, MO to support our Intelligence Community customer. This senior role focuses on policy, architecture, incident response, and compliance to safeguard critical systems.

You will drive C&A/RMF, design secure architectures, and lead activities across threat detection, remediation, and stakeholder engagement. A TS/SCI clearance and IAM II are required.